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annotate test/test_instance.py @ 6610:db3f0ba75b4a

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Change checkpoint_data and restore_connection_on_error to subtransaction checkpoint_data and restore_connection_on_error used to commit() and rollback() the db connection. This causes additional I/O and load. Changed them to use 'SAVEPOINT name' and 'ROLLBACK TO name' to get a faster method for handling errors within a tranaction. One thing to note is that postgresql (unlike SQL std) doesn't overwrite an older savepoint with he same name. It keeps all savepoints but only rolls back to the newest one with a given name. This could be a resource issue. I left a commented out release statement in case somebody runs into an issue due to too many savepoints. I expect it to slow down the import but....
author John Rouillard <rouilj@ieee.org>
date Sat, 29 Jan 2022 11:29:36 -0500
parents 778a9f455067
children 9c3ec0a5c7fc
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1 #
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2 # Copyright (C) 2020 John Rouillard
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3 # All rights reserved.
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4 # For license terms see the file COPYING.txt.
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5 #
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6
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7 from __future__ import print_function
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8 import unittest, os, shutil, errno, sys, difflib
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9
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10 from roundup import instance
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11 from roundup.instance import TrackerError
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12
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13 try:
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14 # python2
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15 import pathlib2 as pathlib
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16 except ImportError:
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17 # python3
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18 import pathlib
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19
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20 from . import db_test_base
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22 class InstanceTest(unittest.TestCase):
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23
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24 backend = 'anydbm'
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25
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26 def setUp(self):
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27 self.dirname = '_test_instance'
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28 # set up and open a tracker
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29 self.instance = db_test_base.setupTracker(self.dirname, self.backend)
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31 # open the database
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32 self.db = self.instance.open('admin')
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33
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34 self.db.commit()
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35 self.db.close()
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36
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37 def tearDown(self):
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38 if self.db:
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39 self.db.close()
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40 try:
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41 shutil.rmtree(self.dirname)
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42 except OSError as error:
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43 if error.errno not in (errno.ENOENT, errno.ESRCH): raise
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46 def testOpenOldStyle(self):
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47 pathlib.Path(os.path.join(self.dirname, "dbinit.py")).touch()
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48 # no longer support old style tracker configs
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49 self.assertRaises(TrackerError, instance.open, self.dirname)
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50
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